Minxing Xie

PrivateTalk: Activating Voice Input with Hand-On-Mouth Gesture Detected by Bluetooth Earphones

We introduce PrivateTalk, an on-body interaction technique to activate voice input with the Hand-On-Mouth gesture. When "talking" to a computing device (e.g., a smartphone), a user covers his/her mouth with the hand from one side. PrivateTalk provides two essential benefits for voice input simultaneously. First, the H…